My 2000 Venture van just recently started having a strong gas smell. There is no leaking on the cement driveway. We have stopped driving for now until we find out what is wrong. The tank is about 1/3 full right now.

It's common for the fuel pressure regulator has gone bad and will need to be replaced. It take's about 15 min to replace with common tools, if there is an Auto Zone around your area. You can buy the fuel pressure regulator there and that can give you the step bu step instructions to get the job done with common tools, just make sure you oil the O-rings to the regulator before installing it back to the fuel injector rails. The fuel pressure regulator is on the fuel injector rail buy the throttle body, you can see it. It looks like a cylinder about an inch in diameter and 1 1/2 inches long with a vacuum tube connected to it. Inspect it for any signs of fuel leak. Good luck and keep me posted.

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sounds like u have a gas leak somewhere. check under the car on the floor see if u can see anything leaking also trace the gas line from the tank to the motor for leaks. u need to get this fixed before u have a fire.

Good thing you passed before the engine light came on. You should mos def get the code from that engine light. If you smell gas you have a leak in the system. Same thing happened to me i had to drop the tank and change the seal around the lid of the fuel pump housing because the smell was coming from under the car and in the car. I also followed my fuel lines and saw some cracks forming so i replaced those and the gas cap for the heck of it. Only $20 for everything but make sure to pull the code first. It reslly makes things easier.

I had a pinhole develope in the bottom of the gas tank in my 99 Sportage. I had similar symptoms, could not find the leak because the insulation in the skid plate under the gas tank was soaking it up. There was a recall on some of the Sportages for this problem. You can give you VIN number to a Kia dealer and they can check or you can contact Kia directly. You might be able to get it repaired free of charge.

Check your inline fuel filter also check your plugs wires for wear. Sounds like a possible Vacuum leak, when not starting. How ever strong smell suggests unburnt fuel. You may want to try a fuel system cleaner to remove any moisture in the fuel system and carbon build up in the exhaust if so try Seafoam available at your local auto parts store. See Seafoam on youtube for videos

I recently had the same problem. It turned out that the fuel regulator on the engine at the left side just above the intake manifold had an intermitent leak. The gas leaking was not always visible so I had the regulator changed and that solved the problem.

Well it sounds like a problem ....either there is a hole in gastank or a hole in the gas line somewhere ....if it smells after you start then it it is probly in the line coming from the tank....if you park on a clean driveway or somthing ...start the car and let it run for a bit and then either look under to see if it is dripping somewhere , or move the car and see ,then you can tell about where it is leaking ...would get it fixed soon , if it gets bigger then the car won't start if it doesn't get enough gas .
Hope this helps